Perhaps you should try some spelling variations:
trung thanh » truong thanh
chieu xanh » chieu sach, chieu sang, chieu tinh
van thanh » ban thanh, van tuan
trong tan » trong quan, trong cac, trong ca
ho chieu » theo chieu, hoc thieu, doi chieu
tan toan » tan tran, tap toan, van toan
toan cao » toan ban, toan tap

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu xanh - thanh ((trung thanh) or (van thanh)) dung trong tan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - thanh ((trung thanh) OR (van thanh)) dung trong tan toan cao.
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - thanh ((trung thanh) or (van thanh)) dung trong tan toan cao*.